set about vs break in

set about and break in both are verbs.

Word	Noun	Adjective	Verb	Adverb
set about	No	No	Yes	No
break in	No	No	Yes	No

As verbs, break in is a hyponym of set about; that is, break in is a word with a more specific, narrower meaning than set about:

set about (verb)	break in (verb)
take the first step or steps in carrying out an action	make submissive, obedient, or useful
enter upon an activity or enterprise	break so as to fall inward
begin to deal with	start in a certain activity, enterprise, or role
	break into a conversation
	intrude on uninvited
	enter someone's (virtual or real) property in an unauthorized manner, usually with the intent to steal or commit a violent act